/*
 * $Id: DefaultMultiThumbModel.java 3935 2011-03-02 19:06:41Z kschaefe $
 *
 * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
 * Santa Clara, California 95054, U.S.A. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

package org.jdesktop.swingx.multislider;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;

/**
 *
 * @author joshy
 */
public class DefaultMultiThumbModel<E> extends AbstractMultiThumbModel<E> {

	protected List<Thumb<E>> thumbs = new ArrayList<Thumb<E>>();

	/** Creates a new instance of DefaultMultiThumbModel */
	public DefaultMultiThumbModel() {
		setMinimumValue(0.0f);
		setMaximumValue(1.0f);
	}

	// returns the index of the newly added thumb
	@Override
	public int addThumb(float value, E obj) {
		Thumb<E> thumb = new Thumb<E>(this);
		thumb.setPosition(value);
		thumb.setObject(obj);
		thumbs.add(thumb);
		int n = thumbs.size();
		ThumbDataEvent evt = new ThumbDataEvent(this, -1, thumbs.size() - 1, thumb);
		for (ThumbDataListener tdl : thumbDataListeners) {
			tdl.thumbAdded(evt);
		}
		return n - 1;
	}

	@Override
	public void insertThumb(float value, E obj, int index) {
		Thumb<E> thumb = new Thumb<E>(this);
		thumb.setPosition(value);
		thumb.setObject(obj);
		thumbs.add(index, thumb);
		ThumbDataEvent evt = new ThumbDataEvent(this, -1, index, thumb);
		for (ThumbDataListener tdl : thumbDataListeners) {
			tdl.thumbAdded(evt);
		}
	}

	@Override
	public void removeThumb(int index) {
		Thumb<E> thumb = thumbs.remove(index);
		ThumbDataEvent evt = new ThumbDataEvent(this, -1, index, thumb);
		for (ThumbDataListener tdl : thumbDataListeners) {
			tdl.thumbRemoved(evt);
		}
	}

	@Override
	public int getThumbCount() {
		return thumbs.size();
	}

	@Override
	public Thumb<E> getThumbAt(int index) {
		return thumbs.get(index);
	}

	@Override
	public List<Thumb<E>> getSortedThumbs() {
		List<Thumb<E>> list = new ArrayList<Thumb<E>>();
		list.addAll(thumbs);
		Collections.sort(list, new Comparator<Thumb<E>>() {
			@Override
			public int compare(Thumb<E> o1, Thumb<E> o2) {
				float f1 = o1.getPosition();
				float f2 = o2.getPosition();
				if (f1 < f2) {
					return -1;
				}
				if (f1 > f2) {
					return 1;
				}
				return 0;
			}
		});
		return list;
	}

	@Override
	public Iterator<Thumb<E>> iterator() {
		return thumbs.iterator();
	}

	@Override
	public int getThumbIndex(Thumb<E> thumb) {
		return thumbs.indexOf(thumb);
	}
}
